removes common errors and warnings from collab

package.json

@@ -66,7 +66,7 @@
         "c9.ide.language.javascript.tern": "#ad1d9b1b3a",
         "c9.ide.language.javascript.infer": "#8478e3c702",
         "c9.ide.language.jsonalyzer": "#83646961c7",
-        "c9.ide.collab": "#3d45d96ec1",
+        "c9.ide.collab": "#6cceb3f95d",
         "c9.ide.local": "#a9703b630c",
         "c9.ide.find": "#35379124ca",
         "c9.ide.find.infiles": "#c132ad243c",